Why is it so dangerous to look directly at a solar eclipse? How do we know that all foods taste the same to every person? And the big question - do aliens exist?  Dr Karl and special guest, Kirsten Banks, answer these questions and more on triple j Mornings with Lucy Smith. 

Why does my voice wobble when I have vulnerable conversations? Why does food taste different at different temperatures? And how do you grow seedless mandarins if they have no seeds? Dr Karl answers these questions and more on triple j Mornings with Bec Charlwood.